Merge pull request #243 from nasa/mars-photos-banner-update

Updated banner with Mars Photo API archival point#3

Author: darith27

assets/html/header.html

@@ -37,7 +37,7 @@
   <section class="alert">
       <span class="closebtn" onclick="this.parentElement.style.display='none';">&times;</span>
       <p><strong>Due to the lapse in federal government funding, NASA is not updating this website. We sincerely regret this inconvenience.</strong></p>
-      <strong>⚠ Please Note:</strong> The Earth API has been archived and replaced with <a href="https://api.nasa.gov/#gibs">Earthdata GIBS API</a>. Please update your bookmarks or projects as needed.
+      <p><strong>⚠ Please Note:</strong> The Earth API has been archived and replaced with <a href="https://api.nasa.gov/#gibs">Earthdata GIBS API</a>. The <a href="https://github.com/corincerami/mars-photo-api">Mars Rover API</a> has also been archived. Please update your bookmarks or projects as needed.</p>
     </section>
   <header style = "box-shadow: 0px 4px 8px darkgrey !important;" class="usa-header usa-header-basic" role="banner" id = "myHeader">
     <div class="usa-nav-container">